Saving Earth's vanishing species and conserving biodiversity

Question 1

The last identified individual of the species has been extinguished or no longer existing permanently.

Answer 1

Extinct

Question 2

A term used that means a catastrophic event has decimated life on Earth.

Answer 2

Mass extinction

Question 3

The first mass extinction that occurred 440 million years ago where the temperature if fluctuating because of the 2 main phases during this time.

Answer 3

Ordovician extinction

Question 4

2 main phases in the Ordovician extinction

Answer 4

Glaciation and heating events

Question 5

It happened in 365 MYA, during this period, land plants developed deep roots that released nutrients in the ocean.

Answer 5

Devonian extinction

Question 6

Considered the deadliest extinction because 96% of life back then was lost.

Answer 6

Permian extinction

Question 7

The fourth extinction was on 201 MYA and one theory suggests that tons of CO2 were in the atmosphere due to volcanic eruptions that resulted in global warming and ocean acidification.

Answer 7

Triassic extinction

Question 8

The fifth extinction, according to theories, an asteroid hit Earth in the Yucatan peninsula, Mexico, and wiped out all dinosaurs along with roughly 60% of all life on Earth.

Answer 8

Cretaceous extinction

Question 9

Biodiversity comes from 2 words bio, which means _____ and diversity, which means ______.

Answer 9

Life, variety

Question 10

The variation of living forms within an ecosystem.

Answer 10

Biodiversity

Question 11

A place where an organisms lives

Answer 11

Habitat

Question 12

Why does the forest have a rich biodiversity?

Answer 12

Because a single tree is a habitat for many kinds of organisms

Question 13

Occurs when a habitat is fragmented or divided into smaller areas.

Answer 13

Habitat fragmentation

Question 13

4 factors that threaten our biodiversity

Answer 13

Habitat loss and fragmentation, introduced species, pollution, and overexploitation

Question 13

It is important to achieve balance in the environment.

Answer 13

Interaction

Question 14

Destruction of natural habitats

Answer 14

Habitat loss

Question 15

2 important things to consider to ensure the organism survive in the environment

Answer 15

Organism should be well-adapted to the environment and should be adapted to live along with other organisms

Question 16

Species that naturally live in a certain area without human intervention

Answer 16

native species

Question 17

New species added to the environment either deliberately or accidentally by human activities.

Answer 17

Introduced species

Question 18

Introduced species that are ___________ and _________ can alter the predator-prey dynamics.

Answer 18

Omnivores and carnivores

Question 19

If excessive nutrients are present, the algae will grow or bloom in large numbers, hence the term ___________.

Answer 19

algal bloom

Question 20

The term used for water with low levels of oxygen

Answer 20

hypoxic

Question 21

Acid rain is ________ times more acidic, because it has a pH as low as 3.

Answer 21

1 000

Question 22

How are acid rains acid?

Answer 22

This is due to sulfuric acid and nitric acid formed by the burning of fossil fuels and from the exhaust from vehicles.

Question 23

It means taking up too many resources from the environment.

Answer 23

Overexploitation

Question 24

These resources are essential to the survival of all living things on our planet

Answer 24

Natural resources

Question 25

They are termed as such because there resources can be renewed or recycle

Answer 25

Renewable resources

Question 26

This means that these resources are finite and it takes millions of years before they can be replenished.

Answer 26

Nonrenewable resources

Question 27

Renewable resources rely on ________________ to be renewed.

Answer 27

Earth’s natural processes

Question 28

is when dead trees, ferns, and other plants that thrived 300 to 400 million years ago have been deposited in swamps covered by either saltwater or freshwater.

Answer 28

Coalification

Question 29

These dead materials form a carbon-rich deposit

Answer 29

coal

Question 30

Also known as oil, a black, thick, and mushy liquid usually located between rock layers.

Answer 30

Petroleum

Question 31

Made of methane and is formed deep within Earth.

Answer 31

Natural gas

Question 32

Natural gas is naturally odorless and colorless. But why does it smell stinky?

Answer 32

Because of the chemicals added to it which is usually an indicator of a leakage

Question 33

The cleanest among the nonrenewable resources because it releases fewer harmful by-products.

Answer 33

natural gas

Question 34

A naturally occurring, inorganic, homogeneous solid with a definite chemical composition and an ordered crystalline structure.

Answer 34

Mineral

Question 35

5 renewable resources

Answer 35

Soil, Trees, Rock, Air, Water, and Wildlife

Question 36

4 nonrenewable resources

Answer 36

Coal, Minerals, Oil, and Natural gas